The power of the Ombudsman in relation to the continuation of an investigation on the death of a complainant may be exercised in relation to the following:

(a) any complaint received by the Ombudsman on or after the establishment day;

(b) any complaint received by the Financial Services Ombudsman or the Pensions Ombudsman before the establishment day where a decision of the Financial Services Ombudsman or the Pensions Ombudsman, as the case may be, has not been made.